After the Breakup, M works

Chapter 99

    

hu, she's reluctant to take on students...""You won't know until you go and see," said Lee Young-sook. As she spoke, the sound of footsteps came from outside. She whispered, "Quiet."Seeing her mother...Chapter 99

"One can know a person's face but not their heart."

What is the meaning of this strange text: >>

"So, you dug the hole for her knowing this would happen...No matter what, you'll end up calling the police in the end!"

Remember for one secondd see a young master who had spoken up for her at the racing event before.Could he be Nan Gong!Since they had no prior relationship, why did he help her over and over againLet me know if you have more...